MOTM

You can get Harry's Pitch to CV (PV-1) PCB from EFM for 
$14.  http://www.ele4music.com/  It works fairly well.
dave

At 08:26 AM 1/1/2002 -0800, you wrote:
>Another way to approach getting a CV from a Theremin is to use some 
>existing pitch
>to voltage converters.  Since the output from a Theremin is usually a fairly
>consistent waveform, it works quite well as the input to a pitch to voltage
>converter although tracking accuracy is not quite as important if you are 
>just using
>the Theremin outputs as a modifier CV instead of a pitch CV.  I believe 
>the Korg
>MS-20 has a P2V converter in it as does the Roland SPV-355.  Anyone know 
>of others,
>particularly built into a synth? Yes, there is the old Serge Gentle 
>Electric P2V if
>you can find and afford one.